IPv4 R&E Routing Table Report 20:15 GMT Fri 25 Sep, 2026 IPv4 BGP Table (R&E) as seen at KREONet2. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/ Analysis Summary ---------------- BGP routing table entries examined: 295036 Prefixes after maximum aggregation (per Origin AS): 120182 Deaggregation factor: 2.45 Unique aggregates announced (without unneeded subnets): 152517 Number of IPv4 prefixes with a valid ROA: 199888 Number of IPv4 prefixes with an invalid ROA: 192 Number of IPv4 prefixes with no ROA: 94956 Total ASes present in the Internet Routing Table: 20122 Prefixes per ASN: 14.66 Origin-only ASes present in the Internet Routing Table: 17265 Origin ASes announcing only one prefix: 7777 Transit ASes present in the Internet Routing Table: 2857 Transit-only ASes present in the Internet Routing Table: 721 Paths with bogon ASNs present in the IPv4 Routing Table: 7 Average AS path length visible in the Internet Routing Table: 5.8 Max AS path length visible: 46 Max AS path prepend of ASN ( 30075) 41 Prefixes from unregistered ASNs in the Routing Table: 230 Number of instances of unregistered ASNs: 231 Number of 32-bit ASNs allocated by the RIRs: 51377 Number of 32-bit ASNs visible in the Routing Table: 8583 Prefixes from 32-bit ASNs in the Routing Table: 37342 Number of bogon 32-bit ASNs visible in the Routing Table: 6 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 115 Number of addresses announced to Internet: 1640877509 Equivalent to 97 /8s, 205 /16s and 205 /24s Percentage of available address space announced: 44.3 Percentage of allocated address space announced: 44.3 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 93406 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 44075 Total APNIC prefixes after maximum aggregation: 8497 APNIC Deaggregation factor: 5.19 Prefixes being announced from the APNIC address blocks: 41765 Unique aggregates announced from the APNIC address blocks: 9158 APNIC Region origin ASes present in the Internet Routing Table: 1216 APNIC Prefixes per ASN: 34.35 APNIC Region origin ASes announcing only one prefix: 463 APNIC Region transit ASes present in the Internet Routing Table: 225 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 594 Number of APNIC addresses announced to Internet: 172761164 Equivalent to 10 /8s, 76 /16s and 32 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-155961 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 131894 Total ARIN prefixes after maximum aggregation: 65715 ARIN Deaggregation factor: 2.01 Prefixes being announced from the ARIN address blocks: 129219 Unique aggregates announced from the ARIN address blocks: 72056 ARIN Region origin ASes present in the Internet Routing Table: 8774 ARIN Prefixes per ASN: 14.73 ARIN Region origin ASes announcing only one prefix: 3662 ARIN Region transit ASes present in the Internet Routing Table: 834 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 46 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2184 Number of ARIN addresses announced to Internet: 1026416105 Equivalent to 61 /8s, 45 /16s and 221 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-404380 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 49162 Total RIPE prefixes after maximum aggregation: 26057 RIPE Deaggregation factor: 1.89 Prefixes being announced from the RIPE address blocks: 52826 Unique aggregates announced from the RIPE address blocks: 38672 RIPE Region origin ASes present in the Internet Routing Table: 4377 RIPE Prefixes per ASN: 12.07 RIPE Region origin ASes announcing only one prefix: 1849 RIPE Region transit ASes present in the Internet Routing Table: 679 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 2001 Number of RIPE addresses announced to Internet: 293251280 Equivalent to 17 /8s, 122 /16s and 168 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-219547 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 53/8, 57/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 59431 Total LACNIC prefixes after maximum aggregation: 17209 LACNIC Deaggregation factor: 3.45 Prefixes being announced from the LACNIC address blocks: 56222 Unique aggregates announced from the LACNIC address blocks: 25371 LACNIC Region origin ASes present in the Internet Routing Table: 4628 LACNIC Prefixes per ASN: 12.15 LACNIC Region origin ASes announcing only one prefix: 1688 LACNIC Region transit ASes present in the Internet Routing Table: 923 Average LACNIC Region AS path length visible: 6.0 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3650 Number of LACNIC addresses announced to Internet: 104800704 Equivalent to 6 /8s, 63 /16s and 33 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-275868 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 10244 Total AfriNIC prefixes after maximum aggregation: 2529 AfriNIC Deaggregation factor: 4.05 Prefixes being announced from the AfriNIC address blocks: 14889 Unique aggregates announced from the AfriNIC address blocks: 7156 AfriNIC Region origin ASes present in the Internet Routing Table: 277 AfriNIC Prefixes per ASN: 53.75 AfriNIC Region origin ASes announcing only one prefix: 115 AfriNIC Region transit ASes present in the Internet Routing Table: 77 Average AfriNIC Region AS path length visible: 6.4 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 154 Number of AfriNIC addresses announced to Internet: 43560448 Equivalent to 2 /8s, 152 /16s and 174 /24s AfriNIC AS Blocks 36864-37887, 327680-330751 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 13874 8737 135 CHINAMOBILE-CN - China Mobile Communicati 56046 3550 887 191 CMNET-Jiangsu-AP - China Mobile communica 56041 2152 723 110 CMNET-Zhejiang-AP - China Mobile communic 56047 1746 192 52 CMNET-Hunan-AP - China Mobile communicati 24444 1117 500 78 CMNET-V4shandong-AS-AP - Shandong Mobile 17561 1105 70 217 LCS-AS-AP - LARUS Limited, HK 24547 959 177 52 CMNET-V4HEBEI-AS-AP - Hebei Mobile Commun 56045 940 481 56 CMNET-Jiangxi-AP - China Mobile communica 45102 930 1328 192 ALIBABA-CN-NET - Alibaba (US) Technology 24445 911 497 67 CMNET-V4henan-AS-AP - Henan Mobile Commun Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 18654 42653 5595 AMAZON-02 - Amazon.com, Inc., US 22773 4859 3166 417 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 749 3133 54663 2384 DNIC-AS-00749 - United States Department 6167 2174 4389 557 CELLCO-PART - Verizon Business, US 209 1586 4845 242 CENTURYLINK-US-LEGACY-QWEST - CenturyLink 2914 1520 1598 1158 NTT-DATA-2914 - NTT America, Inc., US 577 1504 1715 318 BACOM - Bell Canada, CA 20057 1449 972 122 ATT-MOBILITY-LLC-AS20057 - AT&T Enterpris 14618 1437 5307 1079 AMAZON-AES - Amazon.com, Inc., US 11776 1369 185 237 ATLANTICBB-JOHNSTOWN - Breezeline, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 39891 4121 245 67 ALJAWWALSTC-AS - Saudi Telecom Company JS 25019 1227 1383 139 SAUDINETSTC-AS - Saudi Telecom Company JS 34984 1213 158 743 TELLCOM-AS - Superonline Iletisim Hizmetl 20940 1208 94 998 AKAMAI-ASN1 - Akamai International B.V., 212238 1003 70 892 CDNEXT - Datacamp Limited, GB 8452 952 1841 19 TE-AS - IDDQD-AS, EG 3215 882 4826 342 AS3215 - Orange S.A., FR 8376 760 54 31 UNSPECIFIED - Jordan Data Communications 5511 694 116 602 Opentransit - Orange S.A., FR 51167 568 133 250 CONTABO - Contabo GmbH, DE Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 7908 2106 631 AS8151 - UNINET, MX 11830 1866 369 65 AS11830 - Instituto Costarricense de Elec 10620 1626 212 1164 AS10620 - Telmex Colombia S.A., CO 11664 1491 277 32 AS11664 - Techtel LMDS Comunicaciones Int 3816 1266 762 224 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1194 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 26615 1041 2262 94 AS26615 - TIM S/A, BR 18881 961 1127 31 AS18881 - TELEFONICA BRASIL S.A, BR 52468 767 48 269 AS52468 - UFINET PANAMA S.A., PA 12252 646 160 23 AS12252 - America Movil Peru S.A.C., PE Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1423 441 21 Vodafone Data - Vodafone Data, EG 37069 943 991 78 The Egyptian Company for Mobile Services 29571 893 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 36935 643 517 17 Vodafone Data - Vodafone Data, EG 36992 597 888 354 ETISALAT MISR - ETISALAT MISR, EG 36914 552 82 3 Kenya Education Network - Kenya Education 36903 537 239 350 Office National des Postes et Telecommuni 24863 479 61 261 Link Egypt (Link.NET) - Link Egypt (Link. 2018 374 318 69 Tertiary Education and Research Network o 37693 349 599 43 OOREDOO TUNISIE SA - OOREDOO TUNISIE SA, Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 18654 42653 5595 AMAZON-02 - Amazon.com, Inc., US 9808 13874 8737 135 CHINAMOBILE-CN - China Mobile Communicati 8151 7908 2106 631 AS8151 - UNINET, MX 22773 4859 3166 417 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 39891 4121 245 67 ALJAWWALSTC-AS - Saudi Telecom Company JS 56046 3550 887 191 CMNET-Jiangsu-AP - China Mobile communica 749 3133 54663 2384 DNIC-AS-00749 - United States Department 6167 2174 4389 557 CELLCO-PART - Verizon Business, US 56041 2152 723 110 CMNET-Zhejiang-AP - China Mobile communic 11830 1866 369 65 AS11830 - Instituto Costarricense de Elec Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 13874 13739 CHINAMOBILE-CN - China Mobile Communications Gr 8151 7908 7277 AS8151 - UNINET, MX 22773 4859 4442 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 39891 4121 4054 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 56046 3550 3359 CMNET-Jiangsu-AP - China Mobile communications 56041 2152 2042 CMNET-Zhejiang-AP - China Mobile communications 11830 1866 1801 AS11830 - Instituto Costarricense de Electricid 56047 1746 1694 CMNET-Hunan-AP - China Mobile communications co 6167 2174 1617 CELLCO-PART - Verizon Business, US 11664 1491 1459 AS11664 - Techtel LMDS Comunicaciones Interacti Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 23338 UNALLOCATED 8.14.84.0/22 33667 CMCS - Comcast Cable Co 396243 UNALLOCATED 8.34.113.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.36.79.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.112.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.123.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.40.70.0/24 3356 LEVEL3 - Level 3 Parent 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3 - Level 3 Parent 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4 - AT&T En 395476 UNALLOCATED 12.36.194.0/24 7018 ATT-INTERNET4 - AT&T En 395476 UNALLOCATED 12.36.195.0/24 3356 LEVEL3 - Level 3 Parent Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE - Hurricane Electric LLC, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.130.160.0/24 Origin: 16509 AMAZON-02 - Amazon.com, Inc., US 23.130.160.0/24 Transit: 24482 SGGS-AS-AP - SG.GS, SG 23.133.212.0/24 Origin: 18604 UNASSIGNED 23.133.212.0/24 Transit: 32217 GPIEX - GPIEX INC, US 23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 3257 GTT-BACKBONE - GTT Communications Inc., 23.140.216.0/24 Origin: 27176 DATAWAGON - DataWagon LLC, US 23.140.216.0/24 Transit: 20278 NEXEON - Nexeon Technologies, Inc., US 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS - Charter Communicat Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:14 /9:11 /10:31 /11:57 /12:160 /13:223 /14:584 /15:1109 /16:7613 /17:3462 /18:4272 /19:7792 /20:12793 /21:16318 /22:26765 /23:29979 /24:183557 /25:63 /26:84 /27:45 /28:20 /29:8 /30:18 /31:1 /32:57 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 4384 7908 AS8151 - UNINET, MX 16509 3671 18654 AMAZON-02 - Amazon.com, Inc., US 39891 3211 4121 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 22773 3113 4859 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 11830 1592 1866 AS11830 - Instituto Costarricense de Electricidad y Telecom., CR 11664 1209 1491 AS11664 - Techtel LMDS Comunicaciones Interactivas S.A., AR 10620 1059 1626 AS10620 - Telmex Colombia S.A., CO 6167 1001 2174 CELLCO-PART - Verizon Business, US 7459 933 1287 GRANDECOM-AS1 - Grande Communications Networks, LLC, US 209 922 1586 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:97 2:527 3:1886 4:1 5:1039 6:206 7:5 8:562 9:13 11:171 12:773 13:1292 14:128 15:428 16:234 17:4 18:1886 20:376 21:4 22:188 23:2800 24:745 27:23 28:7 29:19 31:446 32:12 34:10 35:185 36:3531 37:626 38:2818 39:998 40:85 41:1182 42:17 43:253 44:29 45:4625 46:930 47:237 48:108 49:54 50:482 51:462 52:1272 54:419 55:1156 56:11 57:33 58:6 59:27 60:14 61:77 62:681 63:737 64:2244 65:1099 66:2419 67:1190 68:501 69:1128 70:423 71:136 72:724 74:1013 75:284 76:200 77:497 78:540 79:289 80:294 81:383 82:806 83:207 84:399 85:569 86:285 87:254 88:273 89:651 90:94 91:875 92:575 93:939 94:992 95:1088 96:328 97:43 98:426 99:457 100:33 101:30 102:371 103:1117 104:1599 105:264 106:10 107:1302 108:1121 109:369 110:65 111:2967 112:1473 113:38 114:26 115:25 116:57 117:1706 118:58 119:86 120:2195 121:21 122:77 123:43 124:64 125:36 126:1 128:440 129:369 130:751 131:1317 132:540 133:208 134:581 135:148 136:667 137:628 138:1146 139:473 140:745 141:526 142:1624 143:975 144:565 145:216 146:637 147:498 148:1085 149:867 150:382 151:955 152:783 153:669 154:1905 155:1005 156:1739 157:417 158:687 159:983 160:1110 161:801 162:978 163:446 164:745 165:573 166:551 167:760 168:1594 169:170 170:1835 171:94 172:1451 173:783 174:345 175:129 176:899 177:1318 178:540 179:961 180:30 181:2725 182:22 183:1847 184:436 185:3340 186:3487 187:2561 188:834 189:2120 190:6346 191:622 192:5050 193:1737 194:1142 195:972 196:727 197:720 198:2565 199:2521 200:4376 201:3479 202:1033 203:757 204:2025 205:2057 206:1455 207:1756 208:1516 209:1922 210:393 211:548 212:1045 213:876 214:987 215:44 216:2455 217:583 218:692 219:31 220:36 221:563 222:35 223:1759 End of report